<s>
The	O
Macintosh	B-Device
Quadra	I-Device
630	I-Device
(	O
also	O
sold	O
as	O
the	O
Macintosh	B-Device
LC	I-Device
630	I-Device
and	O
Macintosh	B-Device
Performa	I-Device
630	I-Device
)	O
is	O
a	O
personal	B-Device
computer	I-Device
designed	O
,	O
manufactured	O
and	O
sold	O
by	O
Apple	O
Computer	O
from	O
July	O
1994	O
to	O
October	O
1995	O
.	O
</s>
<s>
It	O
was	O
introduced	O
as	O
the	O
replacement	O
for	O
the	O
Quadra	B-Device
610	I-Device
,	O
and	O
was	O
the	O
least-expensive	O
computer	O
in	O
the	O
Macintosh	B-Device
lineup	O
with	O
prices	O
starting	O
at	O
$	O
1,199	O
USD	O
.	O
</s>
<s>
While	O
Apple	O
's	O
transition	O
to	O
PowerPC	B-Architecture
CPUs	O
had	O
already	O
begun	O
with	O
the	O
introduction	O
of	O
the	O
Power	B-Device
Macintosh	I-Device
a	O
few	O
months	O
prior	O
,	O
the	O
630	O
was	O
built	O
around	O
the	O
older	O
Motorola	B-Device
68040	I-Device
and	O
68LC040	O
chips	O
.	O
</s>
<s>
Two	O
reasons	O
were	O
cited	O
for	O
this	O
:	O
One	O
,	O
the	O
older	O
chips	O
were	O
less	O
expensive	O
;	O
and	O
two	O
,	O
PowerPC-native	O
education	O
software	O
was	O
almost	O
non-existent	O
at	O
the	O
time	O
.	O
</s>
<s>
Also	O
,	O
existing	O
PowerPC	B-Architecture
software	O
had	O
yet	O
to	O
be	O
translated	O
to	O
non-English	O
languages	O
.	O
</s>
<s>
The	O
630	O
was	O
the	O
last	O
new	O
Macintosh	B-Device
Quadra	I-Device
introduced	O
,	O
though	O
the	O
earlier	O
Quadra	B-Device
950	I-Device
remained	O
available	O
longer	O
.	O
</s>
<s>
It	O
was	O
discontinued	O
with	O
no	O
direct	O
replacement	O
;	O
while	O
the	O
630	O
's	O
form	O
factor	O
was	O
retained	O
with	O
the	O
Power	B-Device
Macintosh	I-Device
6200	I-Device
introduced	O
a	O
few	O
months	O
earlier	O
,	O
but	O
with	O
an	O
entry	O
price	O
of	O
$	O
2,300	O
it	O
cost	O
nearly	O
twice	O
as	O
much	O
.	O
</s>
<s>
The	O
Power	B-Device
Macintosh	I-Device
4400	I-Device
was	O
Apple	O
's	O
most	O
inexpensive	O
Power	B-Device
Macintosh	I-Device
,	O
but	O
at	O
$	O
1,725	O
still	O
cost	O
several	O
hundred	O
dollars	O
more	O
than	O
the	O
630	O
.	O
</s>
<s>
Form	O
factor	O
:	O
The	O
Quadra	B-Device
630	I-Device
introduced	O
a	O
new	O
case	O
design	O
to	O
the	O
Macintosh	B-Device
family	O
.	O
</s>
<s>
On	O
the	O
front	O
,	O
a	O
headphone	O
jack	O
and	O
volume	O
up/down	O
buttons	O
are	O
included	O
,	O
a	O
first	O
for	O
the	O
Macintosh	B-Device
.	O
</s>
<s>
There	O
is	O
an	O
infrared	O
receiver	O
,	O
intended	O
for	O
use	O
with	O
the	O
remote	O
included	O
with	O
the	O
TV	O
tuner	O
card	O
included	O
with	O
the	O
Performa	B-Device
637CD	I-Device
and	O
638CD	O
models	O
.	O
</s>
<s>
The	O
case	O
's	O
motherboard	O
is	O
accessible	O
by	O
opening	O
a	O
cover	O
at	O
the	O
bottom	O
rear	O
of	O
the	O
case	O
and	O
sliding	O
out	O
a	O
drawer	O
that	O
the	O
motherboard	O
was	O
mounted	O
on	O
;	O
this	O
similar	O
to	O
the	O
LC	B-Device
575	O
.	O
</s>
<s>
Depending	O
on	O
which	O
logic	O
board	O
is	O
in	O
the	O
system	O
,	O
there	O
is	O
either	O
one	O
or	O
two	O
SIMM	B-General_Concept
slots	O
.	O
</s>
<s>
In	O
all	O
cases	O
,	O
the	O
first	O
SIMM	B-General_Concept
slot	O
requires	O
80	O
ns	O
non-parity	O
chips	O
,	O
with	O
a	O
refresh	O
rate	O
of	O
2k	O
or	O
better	O
,	O
and	O
4	O
,	O
8	O
,	O
16	O
or	O
32	O
MB	O
SIMMs	B-General_Concept
will	O
work	O
.	O
</s>
<s>
The	O
second	O
slot	O
supports	O
single-sided	O
SIMM	B-General_Concept
cards	O
only	O
,	O
up	O
to	O
16	O
MB	O
in	O
size	O
.	O
</s>
<s>
Hard	O
drive	O
controller	O
:	O
One	O
of	O
the	O
big	O
differences	O
,	O
when	O
compared	O
to	O
some	O
of	O
the	O
previous	O
Macintosh	B-Device
models	O
was	O
the	O
choice	O
of	O
the	O
internal	O
hard	O
drive	O
interface	O
;	O
conforming	O
to	O
the	O
standards	O
of	O
the	O
IBM	O
PC	O
compatible	O
platform	O
,	O
cheaper	O
but	O
slower	O
IDE	B-Protocol
drives	I-Protocol
were	O
used	O
instead	O
of	O
SCSI	B-Architecture
for	O
the	O
first	O
time	O
.	O
</s>
<s>
An	O
external	O
SCSI	B-Architecture
port	O
was	O
still	O
available	O
,	O
and	O
the	O
CD-ROM	O
used	O
SCSI	B-Architecture
internally	O
,	O
but	O
the	O
630	O
used	O
an	O
older	O
controller	O
that	O
was	O
much	O
slower	O
than	O
the	O
ones	O
used	O
in	O
higher-end	O
Macs	O
of	O
the	O
time	O
.	O
</s>
<s>
Video	O
:	O
One	O
external	O
monitor	O
is	O
supported	O
through	O
a	O
DA-15	B-Protocol
connector	O
.	O
</s>
<s>
In	O
their	O
testing	O
,	O
MacWorld	O
described	O
the	O
video	O
performance	O
of	O
the	O
Quadra	B-Device
630	I-Device
as	O
"	O
mediocre	O
"	O
.	O
</s>
<s>
CD-ROM	O
:	O
Models	O
equipped	O
with	O
a	O
CD-ROM	O
use	O
the	O
Apple	B-Device
CD	I-Device
300i	I-Device
plus	I-Device
,	O
a	O
2×	O
-speed	O
SCSI	B-Architecture
drive	O
capable	O
of	O
reading	O
656	O
MB	O
and	O
748	O
MB	O
data	O
CDs	O
as	O
well	O
as	O
audio	O
CDs	O
.	O
</s>
<s>
The	O
caddy	O
tray	O
from	O
the	O
Quadra	B-Device
610	I-Device
is	O
replaced	O
with	O
a	O
tray-based	O
loading	O
mechanism	O
.	O
</s>
<s>
Remote	B-Protocol
control	I-Protocol
:	O
Models	O
equipped	O
with	O
the	O
TV/video	O
system	O
included	O
a	O
Sony	O
RMC-A1	O
remote	B-Protocol
control	I-Protocol
;	O
consequently	O
,	O
the	O
remote	O
would	O
control	O
both	O
the	O
Macintosh	B-Device
and	O
any	O
compatible	O
Sony	O
television	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Performance	O
:	O
MacWorld	O
Magazine	O
ran	O
benchmarks	O
at	O
the	O
time	O
of	O
the	O
Quadra	O
's	O
release	O
and	O
reported	O
that	O
performance	O
is	O
similar	O
to	O
a	O
Quadra	B-Device
950	I-Device
but	O
slightly	O
slower	O
than	O
the	O
800	B-Device
.	O
</s>
<s>
The	O
Quadra	B-Device
630	I-Device
has	O
different	O
names	O
depending	O
on	O
its	O
target	O
market	O
:	O
Macintosh	B-Device
Quadra	I-Device
630	I-Device
for	O
professional	O
and	O
business	O
use	O
,	O
Macintosh	B-Device
LC	I-Device
630	I-Device
for	O
the	O
K-12	O
educational	O
market	O
,	O
and	O
Macintosh	B-Device
Performa	I-Device
630	I-Device
for	O
the	O
consumer	O
and	O
higher-education	O
markets	O
.	O
</s>
<s>
The	O
Performa	B-Device
630	I-Device
was	O
sold	O
with	O
several	O
slightly	O
different	O
model	O
numbers	O
,	O
depending	O
on	O
included	O
hardware	O
and	O
software	O
features	O
.	O
</s>
<s>
Some	O
models	O
included	O
a	O
14	O
"	O
Shadow	B-General_Concept
mask	I-General_Concept
CRT	B-Device
called	O
the	O
Apple	B-Device
Performa	I-Device
Plus	I-Device
Display	I-Device
.	O
</s>
<s>
Macintosh	B-Device
Quadra	I-Device
630	I-Device
:	O
68040	B-Device
processor	O
at	O
33	O
MHz	O
,	O
with	O
4	O
MB	O
of	O
RAM	O
,	O
and	O
a	O
250	O
MB	O
hard	O
disk	O
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
630	I-Device
:	O
FPU-less	O
68LC040	O
processor	O
at	O
33	O
MHz	O
,	O
with	O
4	O
MB	O
of	O
RAM	O
,	O
and	O
a	O
250	O
MB	O
hard	O
disk	O
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
630CD	I-Device
:	O
Same	O
as	O
the	O
Performa	B-Device
630	I-Device
,	O
with	O
a	O
CD-ROM	O
drive	O
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
635CD	I-Device
:	O
Same	O
as	O
the	O
Performa	B-Device
630	I-Device
,	O
but	O
with	O
5	O
MB	O
RAM	O
,	O
2×	O
CD-ROM	O
,	O
Apple	B-Device
Multiple	I-Device
Scan	I-Device
15	I-Device
Display	I-Device
and	O
a	O
modem	O
$	O
1,849	O
USD	O
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
636	I-Device
:	O
Same	O
as	O
the	O
Performa	B-Device
630	I-Device
,	O
sold	O
only	O
to	O
the	O
higher-education	O
market	O
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
636CD	I-Device
:	O
The	O
Performa	B-Device
636	I-Device
with	O
a	O
CD-ROM	O
,	O
sold	O
only	O
to	O
the	O
higher-education	O
market	O
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
638CD	I-Device
:	O
The	O
637CD	O
without	O
the	O
monitor	O
,	O
but	O
with	O
a	O
TV/video	O
-in	O
card	O
instead	O
-	O
The	O
Performa	B-Device
638	O
CD/V	O
shipped	O
with	O
TV	O
tuner	O
card	O
and	O
15	O
"	O
Multiple	O
Scan	O
Display	O
.	O
</s>
<s>
Macintosh	B-Device
LC	I-Device
630	I-Device
:	O
Same	O
as	O
the	O
Performa	B-Device
630	I-Device
,	O
sold	O
in	O
the	O
K-12	O
education	O
market	O
.	O
</s>
<s>
Macintosh	B-Device
LC	I-Device
630	I-Device
DOS	I-Device
Compatible	I-Device
:	O
Same	O
as	O
the	O
LC	B-Device
630	O
,	O
with	O
an	O
additional	O
486DX2	B-Device
processor	O
at	O
66	O
MHz	O
and	O
dedicated	O
RAM	O
on	O
a	O
Processor	B-Device
Direct	I-Device
Slot	I-Device
card	O
.	O
</s>
<s>
This	O
adds	O
the	O
ability	O
to	O
run	O
MS-DOS	B-Application
and	O
Windows	B-Application
3.1	I-Application
applications	O
;	O
both	O
operating	O
systems	O
are	O
included	O
with	O
the	O
package	O
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
630CD	I-Device
DOS	O
Compatible	O
:	O
Same	O
as	O
the	O
Performa	B-Device
630CD	I-Device
,	O
but	O
with	O
a	O
second	O
RAM	O
slot	O
,	O
8	O
MB	O
RAM	O
standard	O
,	O
500	O
MB	O
hard	O
disk	O
,	O
and	O
a	O
DOS	O
emulation	O
card	O
in	O
the	O
PDS	B-Device
slot	I-Device
.	O
</s>
<s>
Macintosh	B-Device
Performa	I-Device
640CD	I-Device
DOS	O
Compatible	O
:	O
Same	O
as	O
the	O
Performa	B-Device
630CD	I-Device
DOS	O
Compatible	O
,	O
sold	O
bundled	O
with	O
a	O
monitor	O
and	O
modem	O
.	O
</s>
